Iolite and Stichtite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.6-2.7
2.11-2.20
Fracture
Not Available
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
Cleavage
3,1
Perfect on {0001}
Mohs Hardness
7-7.5
Not Available
Chemical Composition
Mg2Al4Si5O18
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Iolite and Stichtite Chemical Formula
While comparing Iolite and Stichtite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Iolite and Stichtite chemical formula.
- Chemical formula of Iolite- Mg2Al4Si5O18
- Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Iolite and Stichtite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Iolite and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.